$def with(name)
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>主页</title>
    <!-- 引入css -->
    <link rel="stylesheet" href="../static/css/index.css">
    <link rel="stylesheet" href="../static/css/main.css">
    <!-- 引入js文件 -->
    <script src="../static/js/jquery.js"></script>
    <script src="../static/js/index.js"></script>
</head>

<body>
    <div class="top">
        <h1>爬虫</h1>
        <div class="user">欢迎，$name!</div>
    </div>
    <div class="container">
        <form action="/" method="post">
            <input type="text" name="url" id="url" placeholder="请输入网址"> <br>
            <a href="/manager" class="link">用户管理</a>
            <input type="submit" value="爬取" class="btn">
        </form>
    </div>
    <div class="mask_bg"></div>
</body>

</html>